Paul Hoblin 
Tractor Pulling [PDF ebook] 
Tearing It Up

Did you know that tractor-pulling vehicles can have as many as six engines in one tractor? These engines come from vehicles such as jets, speedboats, and tanks! The tractors need as much power as they can get to drag huge amounts of weight down the track. In fact, tractor pulling is considered the world’s most powerful motor sport. Enter the Dirt and Destruction Sports Zone to learn about the history, mechanics, technology, and the famous drivers connected to tractor-pulling competitions. You’ll learn: Who decided one engine just wasn’t enough for his tractor. How a blind tractor puller can compete and win. Which rules have made tractor pulling safer. How you can try tractor pulling. Are you into sports? Then get in the zone!